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How to have favicon / icon set when bookmarklet dragged to toolbar?
...r, click Organize dropdown, and select Export, save your bookmarks as html file.
Open that html file in text editor.
Find the bookmark you just created, lets say its Gmail bookmark, you should have an html code for it, that looks like this:
<DT><A HREF="http://mail.google.com/mail/u/0/#i...
Shell script to delete directories older than n days
...+10 -exec rm -rf {} \;
Explanation:
find: the unix command for finding files / directories / links etc.
/path/to/base/dir: the directory to start your search in.
-type d: only find directories
-ctime +10: only consider the ones with modification time older than 10 days
-exec ... \;: for each suc...
What's the difference between “Normal Reload”, “Hard Reload”, and ...
...fied" responses. If the browser can avoid re-downloading cached JavaScript files, images, text files, etc. then it will.
Hard reload
Don't use anything in the cache when making the request. (which is equal to SHIFT+F5 No need to open Developer console) Force the browser do re-download every JavaScr...
What does bundle exec rake mean?
...ipt in the context of the current bundle (the one from your directory's Gemfile). rake db:migrate is the script where db is the namespace and migrate is the task name defined.
So bundle exec rake db:migrate executes the rake script with the command db:migrate in the context of the current bundle.
...
Origin is not allowed by Access-Control-Allow-Origin
...ess-Control-Allow-Origin * setting in the Apache configuration or htaccess file.
It should be noted that this effectively disables CORS protection, which very likely exposes your users to attack. If you don't know that you specifically need to use a wildcard, you should not use it, and instead you ...
Commands executed from vim are not recognizing bash command aliases
...
edit your .vimrc file (vim ~/.vimrc) and put that in a line there (without the :)
– skeept
Jan 10 '11 at 17:25
9
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Why is it said that “HTTP is a stateless protocol”?
...k. You could serve HTTP over named pipes if you wanted, or even by sending files around, if you got enough masochists to agree to do it, and it would work precisely because HTTP is transport-protocol-agnostic. At that level, it's all just requests and responses. That makes HTTP itself stateless, reg...
Copying data from one SQLite database to another
...ng sqlite> .databases
you can see the output as
seq name file
--- --------------- ----------------------------------------------------------
0 main /mnt/fastaccessDS/core/csv/atlanta.db
2 AM...
Can I disable a CSS :hover effect via JavaScript?
...olutions because this works when the CSS is entirely contained in external files, and it also works during page load, if the CSS loads first but the JS doesn't load until later. Using jQuery to "progressively enhance" things often results in pages that don't work well if you click on stuff before i...
INSTALL_FAILED_NO_MATCHING_ABIS when install apk
...g me from running my application (which worked yesterday). Since my csproj file is on dropbox, I could check version history, and this property was not in the file yesterday, it was missing altogether. Today, I had to add the x86 option in order to make app run. Why on earth is xamarin or android su...